summaryrefslogtreecommitdiff
path: root/fs/bcachefs/btree_write_buffer.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/bcachefs/btree_write_buffer.h')
-rw-r--r--fs/bcachefs/btree_write_buffer.h53
1 files changed, 50 insertions, 3 deletions
diff --git a/fs/bcachefs/btree_write_buffer.h b/fs/bcachefs/btree_write_buffer.h
index 322df1c8304e..eebcd2b15249 100644
--- a/fs/bcachefs/btree_write_buffer.h
+++ b/fs/bcachefs/btree_write_buffer.h
@@ -2,12 +2,59 @@
#ifndef _BCACHEFS_BTREE_WRITE_BUFFER_H
#define _BCACHEFS_BTREE_WRITE_BUFFER_H
-int __bch2_btree_write_buffer_flush(struct btree_trans *, unsigned, bool);
+#include "bkey.h"
+
+static inline bool bch2_btree_write_buffer_should_flush(struct bch_fs *c)
+{
+ struct btree_write_buffer *wb = &c->btree_write_buffer;
+
+ return wb->inc.keys.nr + wb->flushing.keys.nr > wb->inc.keys.size / 4;
+}
+
+static inline bool bch2_btree_write_buffer_must_wait(struct bch_fs *c)
+{
+ struct btree_write_buffer *wb = &c->btree_write_buffer;
+
+ return wb->inc.keys.nr > wb->inc.keys.size * 3 / 4;
+}
+
+struct btree_trans;
int bch2_btree_write_buffer_flush_sync(struct btree_trans *);
-int bch2_btree_write_buffer_flush(struct btree_trans *);
+int bch2_btree_write_buffer_flush_nocheck_rw(struct btree_trans *);
+int bch2_btree_write_buffer_tryflush(struct btree_trans *);
+
+struct journal_keys_to_wb {
+ struct btree_write_buffer_keys *wb;
+ size_t room;
+ u64 seq;
+};
+
+int bch2_journal_key_to_wb_slowpath(struct bch_fs *,
+ struct journal_keys_to_wb *,
+ enum btree_id, struct bkey_i *);
+
+static inline int bch2_journal_key_to_wb(struct bch_fs *c,
+ struct journal_keys_to_wb *dst,
+ enum btree_id btree, struct bkey_i *k)
+{
+ EBUG_ON(!dst->seq);
+
+ if (unlikely(!dst->room))
+ return bch2_journal_key_to_wb_slowpath(c, dst, btree, k);
+
+ struct btree_write_buffered_key *wb_k = &darray_top(dst->wb->keys);
+ wb_k->journal_seq = dst->seq;
+ wb_k->btree = btree;
+ bkey_copy(&wb_k->k, k);
+ dst->wb->keys.nr++;
+ dst->room--;
+ return 0;
+}
-int bch2_btree_insert_keys_write_buffer(struct btree_trans *);
+void bch2_journal_keys_to_write_buffer_start(struct bch_fs *, struct journal_keys_to_wb *, u64);
+void bch2_journal_keys_to_write_buffer_end(struct bch_fs *, struct journal_keys_to_wb *);
+int bch2_btree_write_buffer_resize(struct bch_fs *, size_t);
void bch2_fs_btree_write_buffer_exit(struct bch_fs *);
int bch2_fs_btree_write_buffer_init(struct bch_fs *);